Re: [PATCH] staging: media: omap4iss: mark omap4iss_flush() static

From: Laurent Pinchart
Date: Mon Sep 05 2016 - 07:49:21 EST


Hi Baoyou,

Thank you for the patch.

On Sunday 04 Sep 2016 14:41:41 Baoyou Xie wrote:
> We get 1 warning when building kernel with W=1:
> drivers/staging/media/omap4iss/iss.c:64:6: warning: no previous prototype
> for 'omap4iss_flush' [-Wmissing-prototypes]
>
> In fact, this function is only used in the file in which it is
> declared and don't need a declaration, but can be made static.
> so this patch marks this function with 'static'.
>
> Signed-off-by: Baoyou Xie <baoyou.xie@xxxxxxxxxx>

Acked-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

> ---
> drivers/staging/media/omap4iss/iss.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/staging/media/omap4iss/iss.c
> b/drivers/staging/media/omap4iss/iss.c index 6ceb4eb..e27c7a9 100644
> --- a/drivers/staging/media/omap4iss/iss.c
> +++ b/drivers/staging/media/omap4iss/iss.c
> @@ -61,7 +61,7 @@ static void iss_print_status(struct iss_device *iss)
> * See this link for reference:
> * http://www.mail-archive.com/linux-omap@xxxxxxxxxxxxxxx/msg08149.html
> */
> -void omap4iss_flush(struct iss_device *iss)
> +static void omap4iss_flush(struct iss_device *iss)
> {
> iss_reg_write(iss, OMAP4_ISS_MEM_TOP, ISS_HL_REVISION, 0);
> iss_reg_read(iss, OMAP4_ISS_MEM_TOP, ISS_HL_REVISION);

--
Regards,

Laurent Pinchart